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All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: CISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-1028.978598
Energy at 298.15K-1028.979882
HF Energy-1028.635389
Nuclear repulsion energy233.608043
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3524 3317 51.29      
2 A' 3274 3082 0.78      
3 A' 2299 2164 30.86      
4 A' 1341 1262 21.99      
5 A' 1030 969 63.60      
6 A' 785 739 35.98      
7 A' 683 643 41.13      
8 A' 458 431 5.21      
9 A' 265 250 0.36      
10 A' 228 214 4.48      
11 A" 1229 1157 29.92      
12 A" 767 722 25.17      
13 A" 754 710 179.77      
14 A" 480 452 0.16      
15 A" 157 148 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 8636.6 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 8129.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/3-21G
ABC
0.09860 0.09598 0.05083

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.665 2.019 0.000
C2 -0.750 1.238 0.000
C3 0.391 0.354 0.000
Cl4 0.391 -0.742 1.529
Cl5 0.391 -0.742 -1.529
H6 -2.489 2.689 0.000
H7 1.341 0.870 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20292.64483.76613.76611.06213.2181
C21.20291.44262.74912.74912.26492.1232
C32.64481.44261.88141.88143.70691.0816
Cl43.76612.74911.88143.05784.73282.4167
Cl53.76612.74911.88143.05784.73282.4167
H61.06212.26493.70694.73284.73284.2399
H73.21812.12321.08162.41672.41674.2399

picture of 3,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.289 C2 C1 H6 178.664
C2 C3 Cl4 110.906 C2 C3 Cl5 110.906
C2 C3 H7 113.752 Cl4 C3 Cl5 108.714
Cl4 C3 H7 106.138 Cl5 C3 H7 106.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability